I usaly only did 20% but I moved my tank and/or redid stuff and 5 times I did 100% waterchanges. never lost anything on a 100% change or suffered any ill effects. just match salinity, PH and temp as close as you can, and away you go.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
Some strive to be perfect.... I just strive.
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